. >>> the fbi is looking into the police killing of an unarmed wheelchair-bound amputee in houston. the police officer who fired the fatal shot says he was cornered by the wheelchair and feared his partner was threatened. it turned out the dead man was holding only a ballpoint pen. civil rights groups says it is just another example of excessive force. >> this man wants us to believe that a man in a wheelchair with a writing pen in his hand was such a threat that you felt deadly force was necessary. >> the victim apparently suffered from mental health issues and had become agitated and angry before police were called. >>> a former university of alabama professor who admitted she gunned down three colleagues faces life in prison. amy bishop pled guilty, being spared the death penalty, she pled guilty and was. bishop did not speak in court. her attorneys say she was sorry for the victims and families. still, she could face a trial in massachusetts charged in the 1986 killing of her 18-year-old brother. >>> it looked like high tide at a north florida beach in more ways than one. bales